fix(button.tsx): Adding back displayName

[headdetect]

• I have followed the Your First Code Contribution section of the Contributing guide

Due to a recent change with <Button />, the displayName was removed from the component. This had a downstream effect of causing the docs to report that the name for this component was "No Display Name".

This change simply adds back the display name.

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Name	Status	Preview	Comments	Updated (UTC)
flowbite-react	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 31, 2023 2:10am

[codecov]

Codecov Report

Patch coverage: 99.85% and project coverage change: -0.02% ⚠️

Comparison is base (7461173) 99.54% compared to head (b7860d0) 99.53%.
Report is 45 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #890      +/-   ##
==========================================
- Coverage   99.54%   99.53%   -0.02%     
==========================================
  Files         163      167       +4     
  Lines        6621     6904     +283     
  Branches      401      417      +16     
==========================================
+ Hits         6591     6872     +281     
- Misses         30       32       +2     

Files Changed	Coverage Δ
src/components/Toast/theme.ts	100.00% <ø> (ø)
src/components/Dropdown/Dropdown.tsx	99.24% <99.43%> (-0.76%)	⬇️
src/components/Badge/Badge.tsx	100.00% <100.00%> (ø)
src/components/Button/Button.tsx	100.00% <100.00%> (ø)
src/components/Button/ButtonBase.tsx	100.00% <100.00%> (ø)
src/components/Button/theme.ts	100.00% <100.00%> (ø)
src/components/Card/Card.tsx	100.00% <100.00%> (ø)
src/components/Carousel/Carousel.tsx	99.02% <100.00%> (+0.06%)	⬆️
src/components/DarkThemeToggle/DarkThemeToggle.tsx	100.00% <100.00%> (ø)
src/components/Dropdown/DropdownItem.tsx	100.00% <100.00%> (ø)
... and 18 more

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